Study and teaching -- Audio-visual aids 23 Chinese language -- 19 Self-instruction -- 17 English speakers -- 16 English speakers 15 Sound recordings for English speakers 15 more ... Self-instruction 13 English 12 French language -- 12 Interactive multimedia 11 English language -- 8 Textbooks for foreign speakers -- 6 Chinese Language -- 5 Conversation 5 Sound recordings 5 Spanish language -- 5 Arabic language -- 4 Computer asisted instruction for foreign speakers 4 Conversation and phrase books -- 4 Chinese characters 3 Conversation and phrase books 3 Foreign speakers 3 German language -- 3 Grammar -- 3 Study and teaching 3 Audio visual aids 2 Conversation and phrase book -- 2 Problems, exercises, etc 2 Spoken French 2 less ...